Synonyms of unmentionable in English:


See US English definition of unmentionable

See UK English definition of unmentionable


1‘sex was the unmentionable subject’

taboo, censored, forbidden, banned, interdicted, proscribed, prohibited, not to be spoken of, ineffable, unspeakable, unutterable, unprintable, indescribable, out of bounds, beyond the pale, off limits, that dare not speak its name, disapproved of, frowned on
offensive, embarrassing, shocking
indecent, indecorous, rude, immodest, impolite
scandalous, disgraceful, appalling, shameful, obscene, filthy
informal no go